Base | Representation |
---|---|
bin | 1010010001011… |
… | …10100110001000 |
3 | 20000011002121220 |
4 | 11020232212020 |
5 | 134030032323 |
6 | 12315002040 |
7 | 2064316260 |
oct | 510564610 |
9 | 200132556 |
10 | 86174088 |
11 | 44708960 |
12 | 24a39320 |
13 | 14b126b0 |
14 | b6327a0 |
15 | 78730e3 |
hex | 522e988 |
86174088 has 256 divisors, whose sum is σ = 307722240. Its totient is φ = 19353600.
The previous prime is 86174059. The next prime is 86174093. The reversal of 86174088 is 88047168.
It is a Cunningham number, because it is equal to 92832-1.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408303 + ... + 408513.
It is an arithmetic number, because the mean of its divisors is an integer number (1202040).
Almost surely, 286174088 is an apocalyptic number.
86174088 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86174088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153861120).
86174088 is an abundant number, since it is smaller than the sum of its proper divisors (221548152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86174088 is a wasteful number, since it uses less digits than its factorization.
86174088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 86174088 is about 9282.9999461381. Note that the first 4 decimals coincide. The cubic root of 86174088 is about 441.6981347620.
Subtracting 86174088 from its reverse (88047168), we obtain a triangular number (1873080 = T1935).
The spelling of 86174088 in words is "eighty-six million, one hundred seventy-four thousand, eighty-eight".
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